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EXPERIMENTAL RESEARCH. Definition:. It is a type of research where the researcher manipulates one variable while controlling the rest of the variables. It is usually conducted to explain causation/ cause and effect between variables. Defining Characteristics of Experimental Research.
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Definition: • It is a type of research where the researcher manipulates one variable while controlling the rest of the variables. • It is usually conducted to explain causation/ cause and effect between variables.
Defining Characteristics of Experimental Research • Manipulation of one or more independent variables >independent variable(treatment) >dependent variable (outcome) • Control over extraneous variables • Observation – effect of manipulation of IV to DV
Steps in Experimental study • 1. Identify and define the problem. Formulate hypotheses and deduce their consequences. Construct an experimental design that represents all the elements, conditions, and relations of the consequences. 1. Select sample of subjects. • 2. Group or pair subjects. • 3. Identify and control non experimental factors.
4. Select or construct, and validate instruments to measure outcomes. • 5. Conduct pilot study. • 6. Determine place, time, and duration of the experiment. • Conduct the experiment. Compile raw data and reduce to usable form. Apply an appropriate test of significance.
